Update ChangeLog and version files for release
diff --git a/ChangeLog b/ChangeLog
index 4e28235..906e05c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/config/ChangeLog b/config/ChangeLog
index 4f761b8..debc738 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index 5e93172..7ab95a2 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-18  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master:
diff --git a/contrib/header-tools/ChangeLog b/contrib/header-tools/ChangeLog
index e292419..05f336f 100644
--- a/contrib/header-tools/ChangeLog
+++ b/contrib/header-tools/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/contrib/reghunt/ChangeLog b/contrib/reghunt/ChangeLog
index 7989f83..7f2aab3 100644
--- a/contrib/reghunt/ChangeLog
+++ b/contrib/reghunt/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/contrib/regression/ChangeLog b/contrib/regression/ChangeLog
index c77f2f9..6c6614b 100644
--- a/contrib/regression/ChangeLog
+++ b/contrib/regression/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/fixincludes/ChangeLog b/fixincludes/ChangeLog
index 66a2740..aaf3ed6 100644
--- a/fixincludes/ChangeLog
+++ b/fixincludes/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/gcc/BASE-VER b/gcc/BASE-VER
index 3b74042..8148c55 100644
--- a/gcc/BASE-VER
+++ b/gcc/BASE-VER
@@ -1 +1 @@
-9.3.1
+9.4.0
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3e9bf96..7558c0a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-18  Richard Biener  <rguenther@suse.de>
 
 	Backported from master:
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 3a5d951..75713e9 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-04-13  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gcc-interface/misc.c (gnat_init): Set default range bits to 0.
diff --git a/gcc/brig/ChangeLog b/gcc/brig/ChangeLog
index bbfe327..1db88cd 100644
--- a/gcc/brig/ChangeLog
+++ b/gcc/brig/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 67b9956..faa228f 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-04-20  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master:
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index c59b86a..0ab66fb 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-04-20  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master:
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 4bc3491..c687786 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-28  Jason Merrill  <jason@redhat.com>
 
 	PR c++/100797
diff --git a/gcc/d/ChangeLog b/gcc/d/ChangeLog
index a29cf96..b0e68a9 100644
--- a/gcc/d/ChangeLog
+++ b/gcc/d/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-04-19  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	Backported from master:
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 98fdf1c..f1d66e3 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-05  Harald Anlauf  <anlauf@gmx.de>
 
 	Backported from master:
diff --git a/gcc/go/ChangeLog b/gcc/go/ChangeLog
index 22a8e0b..23cb776 100644
--- a/gcc/go/ChangeLog
+++ b/gcc/go/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/gcc/jit/ChangeLog b/gcc/jit/ChangeLog
index 4481c66..56168ba 100644
--- a/gcc/jit/ChangeLog
+++ b/gcc/jit/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index 30fddd7..67a2f3a 100644
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/gcc/objc/ChangeLog b/gcc/objc/ChangeLog
index 9f4fe0f..ab31220 100644
--- a/gcc/objc/ChangeLog
+++ b/gcc/objc/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 
 	* objc-next-metadata-tags.h (OCTI_RT_META_IVAR_REF): New.
diff --git a/gcc/objcp/ChangeLog b/gcc/objcp/ChangeLog
index 1ba3a48..87763f3 100644
--- a/gcc/objcp/ChangeLog
+++ b/gcc/objcp/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/gcc/po/ChangeLog b/gcc/po/ChangeLog
index bab0ce9..8edc6f7 100644
--- a/gcc/po/ChangeLog
+++ b/gcc/po/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index cba529e..47eac19 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-28  Jason Merrill  <jason@redhat.com>
 
 	PR c++/100797
diff --git a/gnattools/ChangeLog b/gnattools/ChangeLog
index ca5a2b3..c469ff8 100644
--- a/gnattools/ChangeLog
+++ b/gnattools/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/gotools/ChangeLog b/gotools/ChangeLog
index bae6d84..183ffe8 100644
--- a/gotools/ChangeLog
+++ b/gotools/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/include/ChangeLog b/include/ChangeLog
index e8e301d..d19fa97 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-04-20  Martin Liska  <mliska@suse.cz>
 
 	Backport from mainline
diff --git a/intl/ChangeLog b/intl/ChangeLog
index 4c94ade..df8ec88 100644
--- a/intl/ChangeLog
+++ b/intl/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-04-20  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master:
diff --git a/libada/ChangeLog b/libada/ChangeLog
index 285b253..5d1be71 100644
--- a/libada/ChangeLog
+++ b/libada/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/libatomic/ChangeLog b/libatomic/ChangeLog
index 94d284b..2de6d9e 100644
--- a/libatomic/ChangeLog
+++ b/libatomic/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
index e940429..aba705b 100644
--- a/libbacktrace/ChangeLog
+++ b/libbacktrace/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/libcc1/ChangeLog b/libcc1/ChangeLog
index 46a568a..90916b6 100644
--- a/libcc1/ChangeLog
+++ b/libcc1/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index c73e35e..a823e93 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-07  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master:
diff --git a/libcpp/po/ChangeLog b/libcpp/po/ChangeLog
index fba298d..d80975a 100644
--- a/libcpp/po/ChangeLog
+++ b/libcpp/po/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/libdecnumber/ChangeLog b/libdecnumber/ChangeLog
index a309bc3..15732c4 100644
--- a/libdecnumber/ChangeLog
+++ b/libdecnumber/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/libffi/ChangeLog b/libffi/ChangeLog
index 315b8a8..2027b84 100644
--- a/libffi/ChangeLog
+++ b/libffi/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 41d7b8b..399ab06 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-04-26  Michael Meissner  <meissner@linux.ibm.com>
 
 	PR target/98952
diff --git a/libgcc/config/libbid/ChangeLog b/libgcc/config/libbid/ChangeLog
index f94a681..5a641e8 100644
--- a/libgcc/config/libbid/ChangeLog
+++ b/libgcc/config/libbid/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 3af0a56..c24f0cc 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index ab37b15..b6e0b53 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-06  Roman Zhuykov  <zhroma@ispras.ru>
 
 	Backported from master:
diff --git a/libhsail-rt/ChangeLog b/libhsail-rt/ChangeLog
index e43ce9b..9524d36 100644
--- a/libhsail-rt/ChangeLog
+++ b/libhsail-rt/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 7879170..6c31817 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-04-12  Richard Biener  <rguenther@suse.de>
 
 	Backported from master:
diff --git a/libitm/ChangeLog b/libitm/ChangeLog
index 1385a39..22d7711 100644
--- a/libitm/ChangeLog
+++ b/libitm/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/libobjc/ChangeLog b/libobjc/ChangeLog
index a114ebc..271e7b5 100644
--- a/libobjc/ChangeLog
+++ b/libobjc/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/liboffloadmic/ChangeLog b/liboffloadmic/ChangeLog
index bbd18fc..8dbc3be 100644
--- a/liboffloadmic/ChangeLog
+++ b/liboffloadmic/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/libphobos/ChangeLog b/libphobos/ChangeLog
index 67d9194..5c09737 100644
--- a/libphobos/ChangeLog
+++ b/libphobos/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/libquadmath/ChangeLog b/libquadmath/ChangeLog
index 3ed964e..d550f7d 100644
--- a/libquadmath/ChangeLog
+++ b/libquadmath/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog
index 33286ab..d8c2f6b 100644
--- a/libsanitizer/ChangeLog
+++ b/libsanitizer/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-21  Tamar Christina  <tamar.christina@arm.com>
 
 	PR sanitizer/100379
diff --git a/libssp/ChangeLog b/libssp/ChangeLog
index 35665b7..4841008 100644
--- a/libssp/ChangeLog
+++ b/libssp/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 471c1f1..4a898cd 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/libvtv/ChangeLog b/libvtv/ChangeLog
index 50eddfe..beea08f 100644
--- a/libvtv/ChangeLog
+++ b/libvtv/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>
 
diff --git a/lto-plugin/ChangeLog b/lto-plugin/ChangeLog
index 6da9d21..1e2a046 100644
--- a/lto-plugin/ChangeLog
+++ b/lto-plugin/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2020-03-12  Release Manager
 
 	* GCC 9.3.0 released.
diff --git a/maintainer-scripts/ChangeLog b/maintainer-scripts/ChangeLog
index 7f35bd8..279bfdf 100644
--- a/maintainer-scripts/ChangeLog
+++ b/maintainer-scripts/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-04-20  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master:
diff --git a/zlib/ChangeLog b/zlib/ChangeLog
index eeb74b5..1a68e0c 100644
--- a/zlib/ChangeLog
+++ b/zlib/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-01  Release Manager
+
+	* GCC 9.4.0 released.
+
 2021-05-01  Iain Sandoe  <iain@sandoe.co.uk>
 	    Jakub Jelinek   <jakub@redhat.com>